西秦岭北缘断裂带的深部构造特征及其与地震活动的关系

西秦岭北缘断裂带是中国的一条主要超壳断裂带，也是祁连褶皱系与秦岭褶皱系的分界断裂带。利用近几年取得的人工地震、重力、航磁、地热等资料，从地质和地球物理两个方面就该断裂及其两侧的深部构造特征作一初步分析并讨论了断裂带的最新活动及地震活动。

THE DEEP STRUCTURE FEATURES OF THE FAULT ZONE ALONG NORTHERN EDGE OF WEST QINLING AND ITS RELATION WITH SEISMIC ACTIVITY

The fault zone along the northern edge of West Qinling is a principal ultracrust one in China and it also is a discordogenic fault between fold zone in Qilian and that in Qinling. By using some information in recent years such as man--made earthquakes,gravity aeromagnetic,geotherm,etc., the deep structure features of the fault and its both sides were priliminarily analysed,and the newest action of . the fault zone and earthquake actions on it were discussed from two aspects of geology and geophysics.